1285463721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{2153}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 1898277120

約数和(自身を除く): 612813399

約数列:

[1, 3, 17, 23, 51, 69, 391, 509, 1173, 1527, 2153, 6459, 8653, 11707, 25959, 35121, 36601, 49519, 109803, 148557, 199019, 597057, 841823, 1095877, 2525469, 3287631, 18629909, 25205171, 55889727, 75615513, 428487907, 1285463721]

約数ペア:

[(1, 1285463721), (3, 428487907), (17, 75615513), (23, 55889727), (51, 25205171), (69, 18629909), (391, 3287631), (509, 2525469), (1173, 1095877), (1527, 841823), (2153, 597057), (6459, 199019), (8653, 148557), (11707, 109803), (25959, 49519), (35121, 36601)]